issue more or less resolved. mod may delete this thread.
update: switched to UIToolKit in favor of OnGUI. performance is a little better.
heres a picture of it running. maybe theres just too many particles to run any faster on a phone?
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Texture2D.Apply is too expensive operation performance wise on mobile platforms. It isn’t meant for continuos 2D drawing.
im aware its not the best solution, but i also dont know of a way to do it with unity free otherwise. any suggestions?
You have to find/write a native code plugin, that draws directly to the texture memory on GPU.
Texture.GetNativeTexturePtr allows you get pointer for native code usage